Downgrade from windows 11 to windows 10 after 10 days without losing data.

windows 10 kept asking me to "update" not to upgrade to windows 11 but to update so finally when i left to go somewhere for a little while and came back it upgraded to windows 11. it was fine at first but an app i bought for 20Z$ stopped working so i downgraded back to windows 10...

after a little while it started to ask me to upgrade again and I knew what would happen. I had to hold the power button instead of just pressing power off just so it wouldn't upgrade. one day i turned my computer on and it turned to windows 11 again. when i tried to go back it said i couldn't. now i cant use my 20$ app and i am very sad...

The 10 day rollback is mostly there if you upgrade and discover that there is some compatibility problems or a driver or something else just does not work. It offers basically one step back sort of recovery. However, if say you install several major Windows 11 updates say a monthly update. Your risk of having a good rollback decreases a lot. Best best is to backup data now and clean install Windows 10. But honestly, Windows 11 in benchmarks I have seen are on par with Windows 10. Performance wise, I have yet to see any big hits from Windows 11.

Note that the ten day window for rolling back is actually arbitrary. It could be 10 days or 20 days or even 1 day. It isn't the passage of time that determines whether or not you can successfully roll back - what matters is how much work you have done on the computer.

Rolling back doesn't restore what you had before - only a backup can restore what you previously had. A rollback is an attempt to undo what you did while you had Windows 11. The more changes you have made to Windows 11 since you upgraded, the lower are your chances for a successful rollback. For most people, 10 days of work with Windows 11 is far too much to successfully undo.

Rolling back is best used if you want to take out Windows 11 for a short test drive. Maybe you want to check out the new interfaces, see what's changed from Windows 10, and decide if Windows 11 is for you. You can do this in a few hours, especially if you prepared in advance by reading about Windows 11 in the media. After that, if you decide that Windows 11 is not for you, you can roll yourself back to Windows 10 without trouble.

But if you've worked extensively with Windows 11, the chances that you can successfully roll back diminish, even if it's only been one day. Clearly, it makes no sense at all to try to give yourself even more than 10 days to rollback.

All this emphasizes two lessons that the technology media as well as the popular media have been teaching for years: (1) to avoid bad surprises, learn about a new operating system before you decide to try it; and (2) always backup before you make major changes to your computer. With a backup, you can easily go back in time as if nothing happened.

Yes you can extend the 10 day deadline

See this article

https://www.zdnet.com/article/windows-11-give-yourself-more-time-to-roll-back-the-upgrade/